Potential Security Vulnerability?

How are people able to reach this directory?
[Wed Mar 02 12:59:09 2011] [error] [client 217.22.231.30] File does not exist: /usr/share/phpmyadmin/scripts

This is from a vhost's error log, it shows up fairly frequently. This directory is way outside of the vhost's path (/var/www/clients/client1/web1/web). I can't even figure out how I could point a web browser to that directory.